// autogenerated by syzkaller (http://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include static uintptr_t syz_open_dev(uintptr_t a0, uintptr_t a1, uintptr_t a2) { if (a0 == 0xc || a0 == 0xb) { char buf[128]; sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block", (uint8_t)a1, (uint8_t)a2); return open(buf, O_RDWR, 0); } else { char buf[1024]; char* hash; strncpy(buf, (char*)a0, sizeof(buf)); buf[sizeof(buf) - 1] = 0; while ((hash = strchr(buf, '#'))) { *hash = '0' + (char)(a1 % 10); a1 /= 10; } return open(buf, a2, 0); } } long r[14]; void loop() { memset(r, -1, sizeof(r)); r[0] = syscall(__NR_mmap, 0x20000000ul, 0x281000ul, 0x3ul, 0x32ul, 0xfffffffffffffffful, 0x0ul); *(uint32_t*)0x20275000 = (uint32_t)0x20000; *(uint32_t*)0x20275004 = (uint32_t)0x0; *(uint32_t*)0x20275008 = (uint32_t)0x40; *(uint32_t*)0x2027500c = (uint32_t)0x5; *(uint32_t*)0x20275010 = (uint32_t)0x8; *(uint64_t*)0x20275018 = (uint64_t)0x0; r[7] = syscall(__NR_ioctl, 0xfffffffffffffffful, 0xc0106418ul, 0x20275000ul); memcpy((void*)0x2026f000, "\x2f\x64\x65\x76\x2f\x62\x75\x73\x2f\x75\x73\x62\x2f\x30\x30" "\x23\x2f\x30\x30\x23\x00", 21); r[9] = syz_open_dev(0x2026f000ul, 0xfffffffffffffffbul, 0x602ul); *(uint16_t*)0x20274ffa = (uint16_t)0x2; *(uint16_t*)0x20274ffc = (uint16_t)0x0; *(uint16_t*)0x20274ffe = (uint16_t)0x0; r[13] = syscall(__NR_ioctl, r[9], 0x802c550aul, 0x20274ffaul); } int main() { loop(); return 0; }